US3606312A - Document stacking device - Google Patents

Document stacking device Download PDF

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Publication number
US3606312A
US3606312A US850047A US85004769A US3606312A US 3606312 A US3606312 A US 3606312A US 850047 A US850047 A US 850047A US 85004769 A US85004769 A US 85004769A US 3606312 A US3606312 A US 3606312A
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US
United States
Prior art keywords
document
documents
frame
stacking
stacking position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US850047A
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English (en)
Inventor
Willy Alfons Franciscus Mens
Raymond Gilbert Remi Debackere
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent NV
Original Assignee
International Standard Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of US3606312A publication Critical patent/US3606312A/en
Assigned to ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS reassignment ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: INTERNATIONAL STANDARD ELECTRIC CORPORATION, A CORP OF DE
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/245—Air blast devices
    • B65H29/246—Air blast devices acting on stacking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/70—Article bending or stiffening arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4214—Forming a pile of articles on edge
    • B65H2301/42146—Forming a pile of articles on edge by introducing articles from above

Definitions

  • Pressurized air is blown through the guide frame perpendicular to the passing documents to aid in the transfer thereof from the propelling means to the stacking receptacle, and further, to provide for the prevention of transverse ripple of the documents.
  • Second air blow means responsive to document length detecting means, are included to prevent the folding or buckling of extra long documents.
  • the present invention relates to a document stacking device comprising a guide frame along which documents fed by propelling means are able to glide into a stacking position with the help of document deflecting means.
  • Such a document stacking device is already known from US. Patent No. 3,124,352.
  • said document deflecting means are constituted by a cantilever spring which is so mounted that when the leading edge of a document leaves the propelling means it deflects said spring and is thus braked, thereby storing energy in this spring which is liberated when the trailing edge of the document leaves the propelling means, The document is then deflected into the stacking position.
  • a drawback of this known device is that it is not adapted to handle documents which range in weight from very light to relatively heavy. Indeed, for light documents the above spring must be very light but in this case heavy documents cannot be deflected into the stacking position by such a deflected spring, the energy stored therein being too small. On the other hand, for relatively heavy documents the above spring must be relatively strong in order to be able to deflect such documents into stacking position, but in this case light documents cannot deflect this spring.
  • the present document stacking device is particularly characterized in that the document deflecting means are adapted to direct a stream of fluid through at least one opening of the guide frame on a document so as to deflect this document into the stacking position when the trailing edge of this document leaves the propelling means.
  • the present invention also relates to a document stacking device comprising a guide frame along which documents fed by propelling means are able to glide into a stacking position, the guide frame being pivoted at its one end nearest the propelling means and having a main portion which is substantially mounted in the prolongation of the propelling means and which makes an angle with the plane of the documents stacked in the stacking position, and said guide frame having a free other end nearestthe stacking position which is substantially parallel to the plane, said guide frame further including a resilient element which is secured to one end and which has a free other end.
  • the present invention further relates to a document stacking device comprising a guide frame along which documents fed by propelling means are able to glide into a stacking position and document stopping means to stop the documents in said stacking position.
  • This document stacking device is characterized in'that it further includes means to direct a stream of fluid through at least one opening of the guide frame on the trailing portion of a document in order to prevent the portion from being folded over the remaining portion of the document at the moment the leading edge thereof impacts on the stopping means and after said trailing portion has left said propelling means.
  • This document stacking device is also characterized in that it includes means to direct a stream of fluid through at least one opening of the guide frame and substantially over the width thereof so as to prevent a document from being transversely rippled when it abuts against the stopping means.
  • the present invention also relates to a document stacking device comprising a guide frame along which documents fed by propelling means are adapted to bow the documents in such a manner that they have a curveshaped cross-section in order to increase their rigidity.
  • a preferred embodiment of the document stacking device including a grid-shaped guide frame which is mounted between propelling or conveyor means and a stacking position and along which documents fed by these conveyor means are able to glide.
  • This frame is pivoted at its one end nearest the conveyor means and carries a combshaped blade spring at its other end.
  • the free end of this spring is perpendicular to an end wall of the stacking position and parallel to the plane of the documents when stacked in this stacking position, while the remaining portion of this spring is located in the prolongation of the main portion of the frame, this main portion making an angle with the above-mentioned plane.
  • Air blowing means are provided and adapted to blow air through the frame and substantially perpendicularly to the longitudinal axis thereof.
  • FIG. 1 represents a front view of a. document stacking device according to the invention
  • FIG; 2 is a cross-section along line IIII of FIG. 1 through the document propelling means shown therein and considered in the direction of the arrows;
  • FIG. 3 is a cross-section along line IIIIII of FIG. 1 through the document guiding and air blowing arrangement shown therein and considered in the direction of the arrows;
  • FIG. 4 is a side view from right to left of FIG. 1 considered in the direction of the arrows, the stacking position of the device being however shown in cross-section and the documents in this stacking position and part of the propelling means omitted for clarity;
  • FIG. is a schematic diagram of an electrical control circuit forming part of a document stacking device according to the invention.
  • the document stacking device shown therein includes document propelling or conveyor means generally indicated by reference numeral 1, a document guiding and air blowing arrangement generally indicated by reference numeral 2 and a stacking position generally indicated by reference numeral 3.
  • the propelling or conveyor means 1 include two guide plates 4 and 5 which are mounted at a certain distance from one another so as to form a guide channel 6 for the documents conveyed.
  • Each of these guide plates 4, '5 has a vertical central portion and two bent edge portions making an angle with the central portion in such a manner that the guide channel 6 substantially has a curve-shaped cross-section.
  • guide plate 4 has central portion 7 (FIG. 4) and bent edge portions 8, 9'.
  • the central portions of the guide plates 4, 5 each have a longitudinal slot, e.g. the central portion 7 of guide plate 4 has longitudinal slot 10. Through these slots project the pairs of rollers 11, 12, 13, 14 and 15, 16 which are mounted on the axles 17, 18; 19, 20 and 21, 22 respectively.
  • the rollers 11, 13 and 16 are idle rollers whereas the rollers 12, 14 and are drive or propelling rollers, the axles 18, and 21 being drive shafts.
  • the document guiding and air blowing arrangement 2 includes a substantially L-shaped guide frame generally indicated by reference numeral 23 which is mounted substantially in the prolongation of the propelling means 1.
  • This frame 23 is grid-shaped and constituted by six spaced rods 24 to 29' delimiting a surface the portion of which adjacent to the propelling means has a curve-shaped crosssection and is located substantially in the prolongation of the curve-shaped guide channel 6. The radius of curvature of this surface gradually increases towards stacking position 3, the portion nearest to this position being completely plane.
  • the rods 24 to 29, which are substantially parallel to the direction of advancement of the documents are soldered .to a prismatic block 30' which is pivoted about a fixed axle 31.
  • rods 24 to 28 are soldered to one branch of a bracket 32 having a substantially L-shaped cross-section, whereas the other end 33 of rod 29 is free and slightly 'bent in its plane so as to be perpendicular to wall 55 of receptacle 3.
  • a cantilever comb-shaped resilient element 34 having four blades 35, 36, 37, 38, the respective ends 39, 40, 41, 42 of which are slightly bent, is secured to the other branch of the L-shaped bracket 32 by means of a plate 43 and screws 44, 45.
  • the ends 39 to 42 of the blades to 3-8 are perpendicular to wall 55 whereas the remaining portions thereof are located in the prolongation of the main portion of the guide frame 23.
  • a hollow chamber 46 has a curved wall 47 having a plurality of channels such as 48 is transversely mounted with respect to frame 23 and in close proximity thereof, wall 47 being substantially parallel to this frame 23.
  • Hollow chamber 46 has a cut-out portion 49 and an inlet conduit 50 which is coupled to a source (not shown) of pressurized air via a pneumatic valve (not shown) which is for instance of the type disclosed in Dutch patent application No. 6811256 (R. Debackere-W. Mens 54), filed on Aug. 8, 196 8 and entitled Valve.
  • the pressure of the pressurized air is for instance equal to 0.7 kg./cm.
  • T-shaped hollow chamber 51, 52 Through this cut-out portion 49 extends the longitudinal branch 51 of a T-shaped hollow chamber 51, 52, the transverse branch 52 of which is located in proximi y with the L-shaped bracket 32.
  • the longitudinal branch 51 and the transverse branch 52 are provided with a plurality of openings such as 53.
  • T-shaped chamber 51, 52 further has an inlet conduit 54 which is directly connected to a source of pressurized air the pressure of which is for instance equal to 0.14 kg./cm.
  • the T-shaped hollow chamber 51, 52 and its conduit 54 constitute document deflecting means.
  • Stacking position 3 includes stacking means constituted by two walls 55 and 56 which are perpendicular to one another.
  • wall 55 which constitutes a document stopping means, is secured a bracket 57 which carries a roller 58 adapted to roll on a guide surface 59.
  • Wall 55 has a portion 60 which slightly projects from the remaining part of the wall in the direction of the resilient element 34 and is covered with a sponge cushion 61.
  • the edge 62 of the L-shaped bracket 32 controls a servo-mechanism (not shown) in order to maintain the top document 63 of a stack 64 of such documents at a substantially constant distance from the L-shaped bracket 32.
  • This servo-mechanism is for instance of the type disclosed in the above-mentioned US. Pat. No. 3,124,352.
  • a photocell 67 and an associated light source 68 are mounted in front of each other at the one end and other sides of the guide channel 6 and at a predetermined distance from the gap between the rollers 15 and 16. This distance is for instance equal to about 113 millimeters while the distance between these rollers and the end wall 55 measured along the path followed by the documents is equal to about 210 millimeters.
  • the electrical control circuit shown therein includes the above-mentioned photocell 67, the output of which is connected to the l-input 'of a monostable device MS1 and to the first input of a two-input AND-gate G.
  • the O-output of the monostable device MS1 is connected to the second input of AND- gate G, the output of which is connected to the l-in ut of monostable device MS2.
  • the unstable or O-output of the monostable device MS2 is connected to the l-input of monostable device MS3 and to the est input of the abovementioned valve via conductor v1.
  • the O-output of the monostable device MS3 is connected to the reset input of the same valve via conductor v2.
  • the monostable devices MS1, MS2 and MS3 are designed such that, after having been brought into their unstable condition for a predetermined time interval equal to T1, T2, T3 respectively, they deliver a trigger pulse at their O-output at the end of this time interval.
  • These time intervals T1, T2 and T3 are equal to approximately 20.5; 9 and 14 milliseconds respectively.
  • the devices 67, 68, MS1 and G constitute document length detecting means.
  • the document During its travel in the guide channel 6 the document interrupts the light beam between the source of light 68 and the photoelectric cell 67. Consequently the latter photocell 67 triggers monostable MS1 to its unstable condition, wherein it remains for a time interval equal to T1, and simultaneously primes the AND-gate G via its first input.
  • the trigger pulse appearing at the O-output of monostable device MS2 is applied to the set input of the above pneumatic value via conductor v1.
  • This valve then delivers an air impulse about 8.6 milliseconds later, i.e. when the leading edge of the document is at a distance equal to about 288 millimeters from the photocell or about 175 millimeters from the rollers 15, 16.
  • This air impulse has a pressure of about 0.7 kg./cm. and is directed on the trailing portion of the document in the direction of arrow 66, thus preventing this trailing portion from being folded over the remaining part of the document.
  • the blades 35 to 38 of the resilient element 34 are deflected when a document impacts thereon and is introduced between the ends 39 to 42 of these blades and the top document 63 of stack 64. Afterwards these blades gradually restore to their rest position and thereby pivot frame 23 in clockwise direction (FIG. 1) about axle 31.
  • the above-mentioned servo-mechanism is operated in order to displace the stacking means from left to right on guide surface 59.
  • the width of frame 23 is smaller than that of the document having the smallest width capable of being stacked by the device, in order that the one longitudinal edge portion of such a document should not enter between rods 27 and 28 and abut against bracket 32 of this frame, it being supposed that the other longitudinal edge portion of the document has been previously lined up at a predetermined distance from rod 24.
  • This reference line is schematically indicated in FIG. 4 by an interrupted line. But in such a case the longitudinal edge portion of documents having widths much larger than that of frame 23 have the tendency to become longitudinally folded around rod 28. In order to prevent this rod 29, making an angle with rod 28 and increasing the width of the frame nearest to the stacking position 3, has been provided.
  • the monostable device MS2v has only been provided due to the fact that it was impossible to mount the photocell 67 a distance equal to 67.86 mm., corresponding to 9 milliseconds, closer to the rollers 15, 16.
  • guide means cooperating between the propelling means and the receptacle, in the form of a guide frame which comprises a grid, one end of which is pivotably mounted and located proximate the prolongation of said guide channel, said grid having a curved cross-section the radius of curvature of which continuously increases from said one end to form a plane at the free other end, said other end being positioned to form an angle with the plane of the documents at said stacking position, and a resilient comb-shaped extension coupled to said other end of said grid, the individual resilient blades of said comb-shaped extension each being bent to have the one portion which includes the free end thereof parallel to the stacking position and the other portion substantially parallel to said grid, the bent shape of said resilient blades being such as to enable a deflection thereof away from their rest position proximate said stacking position while imparting to a document an abrupt guiding
  • the apparatus according to claim 1 further including document deflecting means adapted to direct a stream of gaseous fluid through at least one opening of said guide frame onto the documents so as to aid in the deflection of each of said documents into said stacking position when the trailing edge of the document leaves said propelling means.
  • said deflecting means include a source of pressurized gaseous fluid coupled to a perforated hollow chamber which is longitudinally mounted with respect to said frame so that the streams of gaseous fluid issuing from the perforations in said chamber are substantially directed towards the longitudinal axis of said frame and are substantially perpendicular thereon.
  • the apparatus according to claim 1 further including document stopping means to stop said documents in said stacking position and first means to direct a stream of gaseous fluid through at least one opening of said guide frame onto the trailing portion of a document in order to prevent said portion from being folded over the remaining portion of the document at the moment the leading edge thereof impacts on said stopping means and after said trailing portion has left said propelling means.
  • said first means include a source of pressurized gaseous fluid coupled to a hollow chamber the front wall of which has a plurality of channels and which is transversely mounted with respect to said frame so that the streams of gaseous fluid issuing from said channels are directed towards the portion of said guide frame adjacent said propelling means and extend over the whole width of this frame.
  • the apparatus according to claim 6 further including valve means and document length detecting means, wherein said source of pressurized gaseous fluid is coupled to said hollow chamber via said valve means under the control of said document length detecting means, so as to establish a temporary communication between said source and said hollow chamber when said detecting means have detected that the length of a document exceeds a predetermined length.
  • the apparatus according to claim 1 further including document stopping means to stop said documents in said stacking position and means for directing a stream of gaseous fluid through at least one opening of said guide frame and substantially over the width thereof so as to prevent a document from being transversely rippled when it abuts against said stopping means.
  • said means include a hollow chamber which is transversely 8 mounted with respect to the longitudinal axis of said frame near the end of said frame adjacent to said stacking position.
  • said frame is constituted by a plurality of first rods and by a second rod, said first rods being substantially parallel to the direction of advancement of the documents, the outer first rods being at a distance from each other which is smaller than the width of the smallest document to be stacked, and said second rod being fixed at its end nearest said propelling means and free at its other end nearest said stacking position and so mounted that the width of said frame constituted by said first and second rods nearest said stacking position is larger than the width of said smallest document.
  • said receptacle at said stacking position includes an end wall against which the documents abut when arriving in said stacking position and which has a raised portion facing said frame but which is offset with respect to the longitudinal axis thereof in such a manner that when a said document so arrives in said stacking position that its longitudinal axis not parallel to that of said frame it will make contact with said raised position over a relatively large area at its front corner portion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
US850047A 1968-08-30 1969-08-14 Document stacking device Expired - Lifetime US3606312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6812347A NL6812347A (de) 1968-08-30 1968-08-30

Publications (1)

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US3606312A true US3606312A (en) 1971-09-20

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ID=19804500

Family Applications (1)

Application Number Title Priority Date Filing Date
US850047A Expired - Lifetime US3606312A (en) 1968-08-30 1969-08-14 Document stacking device

Country Status (8)

Country Link
US (1) US3606312A (de)
JP (1) JPS512711B1 (de)
BE (1) BE738137A (de)
CH (1) CH509220A (de)
DE (1) DE1942438A1 (de)
FR (1) FR2016626A1 (de)
GB (1) GB1235036A (de)
NL (1) NL6812347A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774906A (en) * 1971-07-28 1973-11-27 Emf Corp Sorting and collating apparatus
US4062536A (en) * 1976-09-16 1977-12-13 Ncr Corporation Document air valve
US4204672A (en) * 1977-05-26 1980-05-27 J. Bobst & Fils, S.A. Device for conveying sheets within a sheet processing machine
US4605211A (en) * 1983-07-12 1986-08-12 Canon Kabushiki Kaisha Automatic sheet processing device having tiltable collecting tray adjacent corner binder station
US5417414A (en) * 1993-11-15 1995-05-23 Pitney Bowes Inc. Stacker improvement for handling external side seam envelopes
US5618036A (en) * 1995-11-16 1997-04-08 Lexmark International, Inc. Printer with distribution stations having U-shaped sheet guide
EP1671909A1 (de) * 2004-12-20 2006-06-21 NCR International, Inc. Stapeleinrichtung für Belege und Verfahren zum Stapeln von Belegen
CN114955676A (zh) * 2021-02-22 2022-08-30 佳能株式会社 片材排出设备、片材处理设备和成像系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6326399B2 (ja) 2015-11-27 2018-05-16 横浜ゴム株式会社 空気入りタイヤ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104101A (en) * 1961-10-23 1963-09-17 Rabinow Engineering Co Inc Flexible sheet edger and stacker

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774906A (en) * 1971-07-28 1973-11-27 Emf Corp Sorting and collating apparatus
US4062536A (en) * 1976-09-16 1977-12-13 Ncr Corporation Document air valve
US4204672A (en) * 1977-05-26 1980-05-27 J. Bobst & Fils, S.A. Device for conveying sheets within a sheet processing machine
US4605211A (en) * 1983-07-12 1986-08-12 Canon Kabushiki Kaisha Automatic sheet processing device having tiltable collecting tray adjacent corner binder station
US5417414A (en) * 1993-11-15 1995-05-23 Pitney Bowes Inc. Stacker improvement for handling external side seam envelopes
US5618036A (en) * 1995-11-16 1997-04-08 Lexmark International, Inc. Printer with distribution stations having U-shaped sheet guide
EP1671909A1 (de) * 2004-12-20 2006-06-21 NCR International, Inc. Stapeleinrichtung für Belege und Verfahren zum Stapeln von Belegen
US20060131421A1 (en) * 2004-12-20 2006-06-22 Ncr Corporation Document stacker apparatus and method of stacking documents
US7207493B2 (en) 2004-12-20 2007-04-24 Ncr Corporation Document stacker apparatus and method of stacking documents
CN114955676A (zh) * 2021-02-22 2022-08-30 佳能株式会社 片材排出设备、片材处理设备和成像系统

Also Published As

Publication number Publication date
FR2016626A1 (de) 1970-05-08
BE738137A (de) 1970-03-02
NL6812347A (de) 1970-03-03
JPS512711B1 (de) 1976-01-28
CH509220A (de) 1971-06-30
DE1942438A1 (de) 1970-03-05
GB1235036A (en) 1971-06-09

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AS Assignment

Owner name: ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:INTERNATIONAL STANDARD ELECTRIC CORPORATION, A CORP OF DE;REEL/FRAME:004718/0023

Effective date: 19870311